I'm not able to have a bm without the help of a laxitive and my stomach is swollen and with the medicine the bm look sand. what can cause this?

Constipation: is considered a bowel motility disorder: the coordinated muscular activity in the bowel wall which promote smooth movement through the GI tract (stomach, small and large bowel) becomes disordered. Causes seem to be multifactorial (several causes working together): diet, stress, glandular disorders, medication effects, etc. Need eval, consider GI specialist, to exclude underlying diseases and Rx